Using .htaccess 












Using .htaccess/.htpasswd Password Protection 


php5
php5
Coding Tips 






Uploads and Downloads 

php5
php5
php5
Mail 



php5


Working with Images 


Frequently Requested Website Functionality 
php5
php5

php5 see it on this page
php5








Using PHP 
php5
php5
php5


Website Managment 







php5

php5
Other Tips 







Regular Expression Rules
| ^ | Start of String | |
| $ | End of string | |
| n* | Zero or more of 'n' | |
| n+ | One or more of 'n' | |
| n? | A possible 'n' | |
| n{2} | Exactly two of 'n' | |
| n{2,} | At least 2 or more of 'n' | |
| n{2,4} | From 2 to 4 of 'n' | |
| () | Parenthesis to group substrings | |
| (n|a) | Either 'n' or 'a' | |
| . | Any single character | |
| [1-7] | A number between 1 and 7 | |
| [b-t] | A lower case character between b and t | |
| [B-T] | An upper case character between B and T | |
| [^a-z] | Absence of lower case a to z | |
| [_a-zA-Z] | An underscore or any letter of the alpha | |
| \w | Any upper or lower case letter or number or underscore | |
| \W | Any character not in \w | |
| \d | Any digit 0-9 | |
| \D | Any character not in \d | |
| i | A modifier - goes at the end of the pattern string - ignore case | |
\ |
Escape the next character \n matches a newline character \( or \) matches the parentheses \\ matches \ |